4(2a+6)+7=5(3a+2)-3a-19

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Solution for 4(2a+6)+7=5(3a+2)-3a-19 equation:


Simplifying
4(2a + 6) + 7 = 5(3a + 2) + -3a + -19

Reorder the terms:
4(6 + 2a) + 7 = 5(3a + 2) + -3a + -19
(6 * 4 + 2a * 4) + 7 = 5(3a + 2) + -3a + -19
(24 + 8a) + 7 = 5(3a + 2) + -3a + -19

Reorder the terms:
24 + 7 + 8a = 5(3a + 2) + -3a + -19

Combine like terms: 24 + 7 = 31
31 + 8a = 5(3a + 2) + -3a + -19

Reorder the terms:
31 + 8a = 5(2 + 3a) + -3a + -19
31 + 8a = (2 * 5 + 3a * 5) + -3a + -19
31 + 8a = (10 + 15a) + -3a + -19

Reorder the terms:
31 + 8a = 10 + -19 + 15a + -3a

Combine like terms: 10 + -19 = -9
31 + 8a = -9 + 15a + -3a

Combine like terms: 15a + -3a = 12a
31 + 8a = -9 + 12a

Solving
31 + 8a = -9 + 12a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-12a' to each side of the equation.
31 + 8a + -12a = -9 + 12a + -12a

Combine like terms: 8a + -12a = -4a
31 + -4a = -9 + 12a + -12a

Combine like terms: 12a + -12a = 0
31 + -4a = -9 + 0
31 + -4a = -9

Add '-31' to each side of the equation.
31 + -31 + -4a = -9 + -31

Combine like terms: 31 + -31 = 0
0 + -4a = -9 + -31
-4a = -9 + -31

Combine like terms: -9 + -31 = -40
-4a = -40

Divide each side by '-4'.
a = 10

Simplifying
a = 10

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